8 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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result in decreased lung ... - Emphysema - Lung ... LowAttenuation #Differential ... #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
bilateral perihilar distribution ... periphery of the lung ... seen in chronic lung ... #CXR #Batwing #Differential ... #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Upper lung zone ... HRCT #ChestCT #Differential ... #Table #Distribution ... #Upper #Lower #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
The distribution ... Random distribution ... structures of the lung ... Perilymphatic #Comparison #Diagram ... #RadiologyAssistant
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
narrowing the differential ... identified in the lung ... CTChest #TreeInBud #Diagram ... #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... is a peripheral distribution ... dealing with the differential ... CXR #Peripheral #Distribution ... OrganizingPneumonia #BOOP #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
or interstitial lung ... Centrilobular distribution ... #GroundGlass #Differential ... #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... strong lower zone distribution ... throughout the whole lung ... Fibrosis #Mimic #ILD #RadiologyAssistant